Home / 2,354.04-3,252.80-1,689.72

Finding the Fourth Proportional to 2,354.04, 3,252.80 and 1,689.72

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Solution

The fourth proportional to 2,354.04, 3,252.80 and 1,689.72 is: 2,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.04 : 3,252.80 = 1,689.72 : x
  2. Step 2: Convert to fraction form
    2,354.04/3,252.80 = 1,689.72/x
  3. Step 3: Cross multiply
    2,354.04x = 3,252.80 × 1,689.72
  4. Step 4: Simplify right side
    2,354.04x = 5,496,321.22
  5. Step 5: Solve for x
    x = 5,496,321.22/2,354.04
  6. Step 6: Final answer
    x = 2,334.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.